About: Simultaneous measurements of fluctuation of ion current, electron temperature, and floating potential with a tunnel probe

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The tunnel probe is a new kind of Langmuir probe for use in the tokamak srape-off layer. Two dimensional kinetic analysis of the ion current distribution on the concave conductors is used to calibrate the probe for making fast DC measurements of ion flux and electron temperature. Qualitative agreement with classical Langmuir probe measurement is found, but the electron temperature given by the tunnel probe is several times lower. This discrepancy is partly caused by secondary electron emission, can easily be corrected. Strong reduction of ion-flux and electron-temperature fluctuations is observed during electrode biasing. The tunnel probe is a new kind of Langmuir probe for use in the tokamak srape-off layer. Two dimensional kinetic analysis of the ion current distribution on the concave conductors is used to calibrate the probe for making fast DC measurements of ion flux and electron temperature. Qualitative agreement with classical Langmuir probe measurement is found, but the electron temperature given by the tunnel probe is several times lower. This discrepancy is partly caused by secondary electron emission, can easily be corrected. Strong reduction of ion-flux and electron-temperature fluctuations is observed during electrode biasing. (en) Tunelová sonda je nový druh Langmuirové sondy pro měření v okrajovém plazmatu tokamaku. Dvou dimensionální kinetická analýza rozdělení iontového proudu na dutém vodiči je použita pro kalibraci sondy pro rychlé DC měření iontového toku a elektronové teploty. Byl nalezen kvalitativní souhlas s klasickou Langmuirovou sondou, ale měřená elektronová teplota je několikrát menší. Tento rozdíl je částečně způsoben sekundární emisí elektronů a může být jednoduše korigován. Silná redukce iontového toku a fluktuací elektronové teploty byla pozorována během nabíjení plazmatu. (cs)
Title	Simultaneous measurements of fluctuation of ion current, electron temperature, and floating potential with a tunnel probe Současné měření fluktuací iontového proudu, elektronové teploty a plovoucího potenciálu pomocí tunelové sondy (cs) Simultaneous measurements of fluctuation of ion current, electron temperature, and floating potential with a tunnel probe (en)
skos:prefLabel	Simultaneous measurements of fluctuation of ion current, electron temperature, and floating potential with a tunnel probe Současné měření fluktuací iontového proudu, elektronové teploty a plovoucího potenciálu pomocí tunelové sondy (cs) Simultaneous measurements of fluctuation of ion current, electron temperature, and floating potential with a tunnel probe (en)
skos:notation	RIV/61389021:_____/05:00031053!RIV06-GA0-61389021
http://linked.open.../vavai/riv/strany	255;263
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GP202/03/P062)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2006
http://linked.open...aciTvurceVysledku	Pánek, Radomír Stöckel, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky plazmatu AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	542808
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/05:00031053
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	plasma diagnostics; electrostatic probe; tokamak edge plasma (en)
http://linked.open.../riv/klicoveSlovo	plasma diagnostics tokamak edge plasma electrostatic probe
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[AD9BCF930CD9]
http://linked.open...i/riv/nazevZdroje	Czechoslovak Journal of Physics
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Modelling of specific processes in the edge plasma in tokamak
http://linked.open...UplatneniVysledku	2005
http://linked.open...v/svazekPeriodika	55
http://linked.open...iv/tvurceVysledku	Pánek, Radomír Stöckel, Jan Gunn, J. P. Van Oost, G. Van Rompuy, T.
issn	0011-4626
number of pages	9 (xsd:int)

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